Switching Diodes

A switching diode is a two terminal PN junction, often used in electronic systems to manage small voltages.


Switching Diode


A Switching Diode is commonly referred to as a “Signal Diode”, it is a semiconductor that can be used to switch signals or act as a rectifier at low voltages.


Within a circuit they can provide similar functionality to a physical switch, with the on/off state governed by the direction of the current flow. When there is forward current in the circuit (forward-bias), the switching diode effectively is a closed switch with low resistance, allowing current to flow. If the current of the circuit is reversed (reverse bias), the switching diode provides high resistance, preventing current flow up to a specified threshold.


Where are Switching Diodes used?


A switching diode can be used in low voltage applications that require fast switching and a high speed rectification. A diode can also be used as a circuit protection device to prevent reverse current damaging a device upstream of the switching diode, such as microcontroller.


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Description Price Diode Configuration Maximum Forward Current Mounting Type Number of Elements per Chip Maximum Reverse Voltage Package Type Diode Technology Maximum Forward Voltage Drop Pin Count Maximum Diode Capacitance Minimum Operating Temperature Maximum Operating Temperature Length Width
RS Stock No. 700-3674
Mfr. Part No.1N4148-TAP
BrandVishay
€0.044
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 902-6492
Mfr. Part No.1N4154TAP
BrandVishay
€0.011
Each (In a Pack of 500)
units
Single 300mA Through Hole 1 25V DO-35 - 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 815-1178
Mfr. Part No.BA159GP-E3/54
BrandVishay
€0.162
Each (In a Pack of 100)
units
Single 1A Through Hole 1 1000V DO-204AL - 1.3V 2 15pF -65 °C +175 °C 5.2mm -
RS Stock No. 145-2080
Mfr. Part No.1N4154TAP
BrandVishay
€0.009
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 25V DO-35 Silicon Junction 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 710-4522
Mfr. Part No.MCL4448-TR3
BrandVishay
€0.076
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 100V MicroMELF - 1V 2 - -65 °C +175 °C 2mm 1.2mm
RS Stock No. 165-6022
Mfr. Part No.BA159GP-E3/54
BrandVishay
€0.075
Each (On a Reel of 5500)
units
Single 1A Through Hole 1 1000V DO-204AL Silicon Junction 1.3V 2 15pF -65 °C +175 °C 5.2mm -
RS Stock No. 918-9698
Mfr. Part No.1N4148-TAP
BrandVishay
€0.011
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 145-2642
Mfr. Part No.MCL4448-TR3
BrandVishay
€0.022
Each (On a Reel of 10000)
units
Single 150mA Surface Mount 1 100V MicroMELF Silicon Junction 1V 2 - -65 °C +175 °C 2mm 1.2mm
RS Stock No. 902-6496
Mfr. Part No.1N4154TR
BrandVishay
€0.011
Each (In a Pack of 500)
units
Single 300mA Through Hole 1 25V DO-35 Silicon Junction 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 815-1169
Mfr. Part No.BA157-E3/54
BrandVishay
€0.032
Each (In a Pack of 100)
units
Single 1A Through Hole 1 400V DO-204AL - 1.3V 2 12pF -65 °C +125 °C 5.2mm -
RS Stock No. 180-7338
Mfr. Part No.VS-4EWH02FN-M3
BrandVishay
€0.645
Each (In a Pack of 20)
units
Single 4A Surface Mount 1 200 (Peak Repetitive)V TO-252AA - - 3 + Tab 17pF -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 815-1074
Mfr. Part No.AU1PKHM3/84A
BrandVishay
€0.378
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 800V DO-220AA - 1.85V 2 7.5pF -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 180-8259
Mfr. Part No.ES07B-GS08
BrandVishay
€0.108
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 902-6641
Mfr. Part No.BA158-E3/54
BrandVishay
€0.032
Each (In a Pack of 250)
units
Single - Through Hole 1 - DO-204AL - - 2 - -65 °C +125 °C 5.2mm -
RS Stock No. 165-2756
Mfr. Part No.RS1K-E3/5AT
BrandVishay
€0.074
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - SMA Silicon Junction - 4 - - - - -
RS Stock No. 902-6650
Mfr. Part No.BAV20W-E3-18
BrandVishay
€0.075
Each (In a Pack of 500)
units
Single 250mA Surface Mount 1 200V SOD-123 Silicon Junction 1.25V 2 - -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 700-2905
Mfr. Part No.RS1J-E3/5AT
BrandVishay
€0.071
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SMA - - 2 - - - - -
RS Stock No. 145-2220
Mfr. Part No.BAQ34-GS08
BrandVishay
€0.054
Each (On a Reel of 2500)
units
Single 200mA Surface Mount 1 60V MiniMELF Silicon Junction 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
RS Stock No. 710-4534
Mfr. Part No.BAV20WS-E3-18
BrandVishay
€0.097
Each (In a Pack of 100)
units
Single 250mA Surface Mount 1 150V SOD-323 Silicon Junction 1.25V 2 - -65 °C +150 °C 1.95mm 1.5mm
RS Stock No. 145-2079
Mfr. Part No.1N4151W-E3-08
BrandVishay
€0.017
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 50V SOD-123 Silicon Junction 1V 2 2pF -55 °C +150 °C 2.85mm 1.7mm